Home / 2,278.38-3,417.99-1,045.92

Finding the Fourth Proportional to 2,278.38, 3,417.99 and 1,045.92

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Solution

The fourth proportional to 2,278.38, 3,417.99 and 1,045.92 is: 1,569.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.38 : 3,417.99 = 1,045.92 : x
  2. Step 2: Convert to fraction form
    2,278.38/3,417.99 = 1,045.92/x
  3. Step 3: Cross multiply
    2,278.38x = 3,417.99 × 1,045.92
  4. Step 4: Simplify right side
    2,278.38x = 3,574,944.10
  5. Step 5: Solve for x
    x = 3,574,944.10/2,278.38
  6. Step 6: Final answer
    x = 1,569.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.